Plumbing > Boilers > Residential Gas Boilers > Williamson > GWA Series Gas-Fired Boiler, Water Atmospheric

GWA Gas-Fired Boiler, Water Atmospheric, High Efficiency, Factory Packaged, With Spark-Ignited Pilot & Taco Circulator 007, Natural Gas, 175K BTUH Input
WILLIAMSON

Part #:

572520

Model #:

GWA-166-N-IT-W
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Save To Standing Order
MFG Number 5795
Box Quantity 1
Date Added 2004-08-24
Replaced By
RHS Price Page 57-51
Additional Information
Dimensions 19 x 57-7/8
AGA Input (MBH) 175
Boiler Water Content (to water line) 3.3 gallon
Chimney & Breeching Size (x 20’ high) 7" I.D.
Circulator Flange Size 1-1/4"
DOE Seasonal Efficiency (% AFUE)
L-S 81.6
N-I 82.2
N-S 80.5
Flue Diameter (In) 6
Input Btuh (0-2,000 feet altitude) 175,000
Output Btuh (0-2,000 feet altitude) DOE Htg Cap Btuh 145,000
LP Gas Standing Pilot 81.6
Min Chimney Size 6" x 20\'
Natural Gas Intermittent Pilot 82.2
Natural Gas Standing Pilot 80.5
Net I=B=R Ratings (MBH) 126
Pilot Configuration Intermittent pilot
Shipping Weight 325

Features:

·   Factory-packaged.

·   52,000 to 245,000 Btuh Input.

·   Natural or propane gas.

·   Atrnospherlc (chimney) venting.

·   One-piece access door.

·   All controls in easy reach.

·   Cast iron sections with built-in air separator.

·   Insulated heavy-gauge steel jacket.

·   Flue baffles, Stainless steel burners.

·   Automatic vent damper.

·   Cast iron sections with built-in air separator.

·   Insulated heavy-gauge steel Jacket.

·   Vertical draft hood, Electrical junction box.

·   24-VAC combination gas valve.

 

·   Combination relay receptacle and 40VA transformer and plug-in circulator relay.

·   Taco 007 circulator.

·   High temperature limit control.

·   30 PSIG ASME relief valve.

·   Combination pressure/temperature gauge.

Intermittent pilot models:

·   Spark-ignited (intermittent) pilot system

·   Electronic ignition/flame supervisory control

Warranty:

·   Limited lifetime warranty.

·   1-year limited warranty on parts.

·   Optional 5- or 10-year parts and labor warranty.